M. I. Abdul-Razzak, “The Development of a New Rhombic Array in Electrical Resistivity Prospecting”, ASRJETS-Journal, vol. 46, no. 1, pp. 229–246, Sep. 2018, Accessed: Sep. 11, 2025. [Online]. Available: https://asrjetsjournal.org/American_Scientific_Journal/article/view/3624